afghanistan is a different case. the conundrum there, at least in my view, is that you set a cap on the number of security forces that afghanistan can afford, then you set a goal but we will be there forever or we leave. then we let the country descend into whatever it will descend into. how you manage what is sustainable now becomes an issue of concern beating nations over time and building a force that has that aspect of sustainability. afghanistan will never be able to fund the the police they need to secure themselves, at least in the near term. that is the biggest one, not the only one. this is a huge, huge problem, a commander in the truest sense. -- a conundrum. the comments about building on what is there is really important, especially in the criminal-justice system and go i think your term was building multiple legal systems acknowledging that is a legitimate model build upon instead of trying to impose one is part of the difficulty when we come into a country. we can do much better at that. sustainability,